openfoam/applications/test/PtrMap/Test-PtrMap.C
2019-12-05 11:47:19 +00:00

132 lines
3.2 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | www.openfoam.com
\\/ M anipulation |
-------------------------------------------------------------------------------
Copyright (C) 2018-2019 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
Description
\*---------------------------------------------------------------------------*/
#include <iostream>
#include "PtrMap.H"
using namespace Foam;
template<class T>
void printTable(const PtrMap<T>& table)
{
Info<< table.size() << nl << "(" << nl;
forAllConstIters(table, iter)
{
const T* ptr = iter.val();
Info<< iter.key() << " = ";
if (ptr)
{
Info<< *ptr << " (" << name(ptr) << ")";
}
else
{
Info<< "nullptr";
}
Info<< nl;
}
Info<< ")" << endl;
// Values only, with for-range
Info<< "values (";
for (auto val : table)
{
Info<< ' ';
if (val)
{
Info<< *val;
}
else
{
Info<< "nullptr";
}
}
Info<< " )" << nl;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
// Main program:
int main()
{
PtrMap<double> myTable;
myTable.set(1, new double(42.1));
myTable.set(2, nullptr);
myTable.set(3, new double(3.14159));
myTable.set(4, new double(2.718282));
myTable.set(4, new double(1.414214));
// Info<< myTable << endl;
printTable(myTable);
PtrMap<double> copy(myTable);
// Info<< copy << endl;
printTable(copy);
Info<< copy << endl;
Info<<"\nerase some existing and non-existing entries" << nl;
auto iter = myTable.find(3);
myTable.erase(iter);
iter = myTable.find(1000); // unknown key
myTable.erase(iter);
myTable.erase(1);
iter = myTable.find(100000); // unknown key
printTable(myTable);
PtrMap<double> moved(std::move(copy));
Info<< nl << "test movable" << nl;
Info<<"input:" << nl;
printTable(copy);
Info<<"output:" << nl;
printTable(moved);
PtrMap<double> other;
Info<<"move assign" << nl;
other = std::move(moved);
printTable(other);
Info<<"old" << nl;
printTable(moved);
return 0;
}
// ************************************************************************* //